Vehicle door lock



R. RHEIN Apr 517, R923.

VEHICLE DOOR LOCK Filed Aug. 19, 1920 2 Sheets-Sheet} 4 L. R. RHEHN VEHICLE DOOR LOC'K Filed Aug. 19, 1920 2 Sheets-Sheet 2 ylPatented Apr. 17, I923.

LLOYDB. RHEIN, OF DETROIT, MICHIGAN, ASSIGNOR TO C. R. WILSON BODY COMPANY, OF DETROIT, MICHIGAN, A CORPORATION OF MICHIGAN.

VEHICLE DOOR LOCK.

To all whom it may concern:

Be it known that I, LLOYD R. RHEIN, a citizen ofthe United States of America, re-

siding at Detroit, in the county of lVayne and State of Michigan, have invented certain new and useful Improvements in Vehicle Door Locks, of which the following is a Specification, reference being bad therein to the accompanying drawings.

This invention relates to vehicle door locks and more particularly to looks for the doors of vehicles-of a closed body type.

his one of the objects of the invention to provide a vehicle door lock having an interior auxiliary control meanswhich may be adjustedby an occupant of the car to insure locking when the car is closed after the occupant has stepped out, a key being required only to effect unlocking when it is desired to again enter the vehicle.

It is a further object of the invention to provide a device interiorly of a door for locking the door against operation by the outside handle without interfering with con trol of the bolt by the inside handle.

The invention consists in the structural features and arrangements of parts hereinafter fully described and illustrated in the accompanying drawings, wherein:

Figure 1 is an exterior view of a door to which theapproved lock is applied;

Figure 2 is an interior View of the same;

Figure 3 is a fragmentary exterior view of the door with a portion broken away to showthe release of the inside locking device {hrpugh application of a key to the outside Figure 4: is a section on line 4-4 of Figure 1.

.In these views the reference character A designates an automobile door and B the supporting plate of a lock for said door, said plate being mounted flush with the inner face of the door. C is a bolt slidably mounted upon the plate B and having at one extremity the bolt head C engaging a face plate D formed as a flange on one end of plate B. Said bolt is adapted to be retracted interiorly of the door A by a handle E pivoted at F upon the lower portion of the plate B and projecting upwardly above the door, an intermediate portion of said member E being engageable with an arm G upstanding on the bolt C in the plane of said member. Normally the bolt is retained in its projected position by a coiled spring H. As a provision for retracting the bolt C from the car exterior, there is provided upon the outside of the door A a rotative handle I carried by a stem I. Ad'acent the plate B said stem carries a cam which is engageable with a second upstanding arm K upon the bolt G to retract said bolt upon a counter clockwise rotation of the handle I. Upon the exterior face of the plate B there is mounted a U-shaped bracket L which forms a slide bearing for a rotative plunger M having an actuating knob N 011 its outer end and carrying adjacent the inner face of the plate B a U-shaped locking member 0. The member 0 projects into a bracket 0' mounted upon the face plate D and carries a leaf spring Q bearing at its free end upon the upper portion of said bracket and forc ing the locking member 0 against a. stop 0 formed by the lower portion of saidbracket. R indicates an ordinary type of lock which is set into the exterior face of the door A, and which, when engaged by a suitable key S is adapted to rotatably actuate a squared stem T universally jointed to said lock and having its inner end engagement in a square orifice U in the member 0 I Considering now the operation of the described construction, when the plunger M is retracted the member 0 is engaged with a shoulder V formed upon the cam J, and the handle I which is connected thereto will thus be restrained against the counter-clockwise rotation requisite to effect retraction of the bolt C. When however, said plunger M is projected, the member 0 is shifted out of engagement with the shoulder V and the bolt C may then be retracted by the handle I. \Vhen the occupant of a car equipped with the described lock is about to leave the car and desires to lock the door, the plunger M is retracted by means of its knob N. Thus the exterior handle I is locked against rotation, yet the bolt is free for actuation by the handle E and may undergo the momentary retraction necessary to closin of the door after the occupant has steppec out of thevehicle. lVhen it is again desired to enter the vehicle, the key S is applied to the lock R and is actuated to turn the stem T in a counter-clockwise direction. Owing to engagement of the stem T in the squared orifice U of the locking member C. said member participates in the counter-clockwise rotation of the stem and is thus shifted clear of the shoulder V of the cam J. While the locking member; is held thus rotatably displaced by means of the key S. the handle I is turned to retract the bolt C and the door is then opened.

The described device saves the driver of a closed car the trouble and annoyance of fitting a key to the lock of a door whenever the latter is left alone, use of the kev being required only to reenter the car. It is an important feature of the described invention that an application of the auxiliary iiiterior locking device comprised by the ele-.

ments M, N and 0 does not deadlock the bolt and has no effect on control of the bolt by the interior handle member 11. Thus, the occupant of the car inayit desired, retract the Y 'tilinearly to elfect such control, means lopluiiger to effect locking-0t the outer handle member before the. door has been opened, the handle E being then actuated to open the door and afford egress to the occupant.

What'I claim as my invention is:

1. In a, vehicle door lock, the combination with a bolt and means normally projecting the same, of interior 'means for retracting the bolt, exterior means for retracting the bolt, including a cam engageable with the bolt and pro videdwith a locking shoulder, a locking member movable both rotatively and rectilinearly into or out of engagement with said locking shoulder, means located intea lockingmember controlling said exterior means and movable both rotativcly and reccated interiorly of the door for rectilinearly actuating. said locking member, and a key operable means located 'exteriorly a1 tliedoor for rotativcly actuating said locking member. In testimony whereof I aiiix my signature.

LLOYD ll lllllClX. 

